caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1215971577

Gregory GrierCRNA

PRACTICECLINICAL CARE ASSOCIATES OF THE UNIVERSITY OFSee all providers at this practice →
Certified Registered Nurse Anesthetist (CRNA)West Chester, PAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where Gregory Grier's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 3 inbound referrers · 8 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
David Goodman
Anesthesiology · Abington, PA
5566
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
1736
Daniel Nasr
Pain Management · Wilmington, DE
1115
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Abington Surgical Center
Ambulatory Surgical Center · Willow Grove, PA
136191
ETTER, MARK3841
ABINGTON MEMORIAL HOSPITAL3558
Dean Werner
Anesthesiology · Abington, PA
2426
Fernando Bonanni
General Surgery · Quincy, IL
2337
Patrick Fall
Anesthesiology · Abington, PA
1619
ATKINS, ROBERT1623
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Norristown, PA
1418
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
158
Unique beneficiaries
—
Total services
167
Distinct HCPCS
4
Medicare payment
$8K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,595 Certified Registered Nurse Anesthetist (CRNA) providers in PA — top quintile (cohort median 103).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.